package ch6;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet( name = "DeleteServlet",value = "/delete")
public class DeleteServlet extends HttpServlet {
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
Integer id = Integer.valueOf (request.getParameter ("id"));
UserDao userDao =new UserDao ();
Integer result =userDao.deleteUserById (id);
if (result > 0){
    System.out.println ("删除成功");
response.sendRedirect ("main");

}else {
    System.out.println ("删除失败");
    response.sendRedirect ("main");

}
    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
this.doPost (request,response);
    }
}
